The aim of the game is to get as close as possible to 15 without cross it.
At first it's your turn: you must choose a number to play and, automatically, the PC will choose its number.
The two scores will be added and will compose your total.
Now you can choose whether to do another play or stop.
If you continue (choosing a new number) the new score will be added to the previous score, if you stop (using the button "stop") the turn of the PC
will be automatically activate.
If the Pc turn is active, You can continue to enter numbers until the PC decides to stop.
The winner will be who stops closest to 15 without cross it.